<!doctype html>
<html lang="zh-cn">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		div{
			width: 1000px;
			height: 100px;
			margin: 0px auto;
			background: red url() 0 0 no-repeat;
		}
		div ul{
			padding: 0px;
			width: 500px;
			height: 50px;
			margin: 0px auto;
		}
		div ul li {
			padding: 0px;
			list-style: none;
			width: 50px;
			height: 20px; 
			margin: 5px;
			float: left;
			background: #fff url() 0 0 no-repeat;
		}
	</style>
</head>
<body>
	<div>
		<ul>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
			<li></li>
		</ul>
	</div>
</body>
</html>